Is CVE-2011-1391 being actively exploited?

CVE-2011-1391 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-1391?

CVE-2011-1391 has a CVSS 2.0 base score of 9.3 (HIGH).

CVE-2011-1391

HIGH · CVSS 9.3EPSS 3.4%EU EUVD

The Blueberry FlashBack ActiveX control in BB FlashBack Recorder.dll in Blueberry BB FlashBack, as used in IBM Rational Rhapsody before 7.6.1 and other products, does not properly implement the InsertMarker method, which allows remote attackers to execute arbitrary code via unspecified vectors.

Key facts

CVSS score: 9.3 (v2.0)
Severity: HIGH
CVSS vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE): CWE-94
EPSS score: 3.4% (89th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-1398)
Published: December 23, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-1398 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

.bbsoftware / bb flashback
ibm / rational rhapsody
ibm / rational rhapsody
ibm / rational rhapsody
ibm / rational rhapsody
ibm / rational rhapsody
ibm / rational rhapsody
ibm / rational rhapsody
ibm / rational rhapsody
ibm / rational rhapsody
ibm / rational rhapsody
ibm / rational rhapsody

References

http://secunia.com/advisories/47286(Vendor Advisory)
http://secunia.com/advisories/47310(Vendor Advisory)
http://www-01.ibm.com/support/docview.wss?uid=swg21576352(Patch, Vendor Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/71803

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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